jack_TOC.py

### jack_toc - class for CDDA TOCs - part ("module") of ### jack - extract audio from a CD and MP3ify it using 3rd party software### Copyright (C) 1999,2000 Arne Zellentin <zarne@users.sf.net>### This program is free software; you can redistribute it and/or modify### it under the terms of the GNU General Public License as published by### the Free Software Foundation; either version 2 of the License, or### (at your option) any later version.### This program is distributed in the hope that it will be useful,### but WITHOUT ANY WARRANTY; without even the implied warranty of### MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the### GNU General Public License for more details.### You should have received a copy of the GNU General Public License### along with this program; if not, write to the Free Software### Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USAclass TOC:
def __init__(self):
self.data = []
self.image_file = None
self.end_pos = 0
self.in_need_of_image_name = []
def __len__(self):
return len(self.data)
def append(self, entry):
## if we don't have a image_name specified, we'll take the first one availableif entry.image_name == "":
self.in_need_of_image_name.append(entry.number)
elif self.in_need_of_image_name:
for i in self.in_need_of_image_name:
# FIXME: maybe we can't reference a track by it's number?
self.data[i].image_name = entry.image_name
self.in_need_of_image_name = []
## if the entry has a pregap this needs to be added to the previous track and## substracted from the current oneif entry.pregap:
self.data[-1].length = self.data[-1].length + entry.pregap
self.end_pos = self.end_pos + entry.pregap
self.data.append(entry)
self.end_pos = self.end_pos + entry.length
## update image_file
self.same_image()
def export(self):
"compatibility"
tracks = []
for i in self.data:
track = i.export()
tracks.append(track)
return tracks
def image_filenames(self):
"return list of all used filenames"
names = []
for i in self.data:
names.append(i.image_name)
return names
def same_image(self):
"check whether all image_files are set to the same file"
names = self.image_filenames()[1:]
ifnot names:
return 0
first = names[0]
same = 1
for i in names:
ifnot i == first:
same = 0
breakif same:
self.image_file = first
else:
self.image_file = Nonereturn same